Drying oven

Abstract

The utility model discloses a drying oven, which belongs to the technical field of chip heating, and comprises a drying oven body, the top of the rear side of the drying oven body is fixedly connected with a purification mechanism, the rear side of the purification mechanism is fixedly connected with a discharge mechanism, and the bottom of the rear side of the drying oven body is fixedly connected with a supporting seat. Supporting rods are fixedly connected to the two sides of the top of the supporting base, limiting plates are fixedly connected to the tops of the supporting rods, the purifying mechanism can extract harmful gas generated by high-temperature decomposition of glue in the drying oven body in time through cooperation of an air suction pipe and an air suction pump, and the air suction pump provides power for gas flowing; harmful gas can be quickly transferred to the purification mechanism from the drying oven body, accumulation of the harmful gas in the drying oven is prevented, potential threats of the harmful gas to chip performance and operator health are reduced, and the harmful gas enters the purification shell, is subjected to preliminary purification treatment and then enters the filter box through the gas conveying pipe to be further purified.

Description

TECHNICAL FIELD

[0001] The utility model relates to chip heating technical field, especially a kind of oven. BACKGROUND

[0002] In the chip manufacturing process, multiple process steps need to use oven, such as the pre-baking of substrate cleaning after photoetching glue coating and film plating, soft baking after glue coating, hard baking after exposure and development, and baking before chip packaging, etc., these baking steps have important role to the quality and performance of chip, for example, remove moisture in chip, avoid causing "popcorn" effect in subsequent soldering process, reduce bubble in chip patching process, improve soldering reliability, solidify glue, ensure that chip is firmly adhered to substrate.

[0003] For the above problems, the existing patent gives a solution, but the existing oven lacks a structure for purifying harmful gases generated by the volatilization of glue on the chip during high-temperature decomposition of the glue, which causes harmful gases to accumulate inside the oven and may even leak into the working environment, thereby potentially threatening the health of the operator and also polluting the surrounding production environment.

[0004] Therefore, an oven is proposed. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing an oven that can solve the problem of the lack of a structure for purifying harmful gases generated by the volatilization of glue on the chip during high-temperature decomposition of the glue, which causes harmful gases to accumulate inside the oven and may even leak into the working environment, thereby potentially threatening the health of the operator and also polluting the surrounding production environment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oven, comprising an oven body, a purification mechanism fixedly connected to the top of the rear side of the oven body, an exhaust mechanism fixedly connected to the rear side of the purification mechanism, a support seat fixedly connected to the bottom of the rear side of the oven body, support rods fixedly connected to the top of both sides of the support seat, and a limiting plate fixedly connected to the top of the support rods.

[0007] The purification mechanism comprises an air suction pipe, an air suction pump, an exhaust pipe, a purification box, a purification shell, a gas conveying pipe, a filter box and a guide pipe, the top of the air suction pipe is fixedly connected to the top of the rear side of the oven body, the air suction pump is fixedly connected to the top of the limiting plate, the bottom of the air suction pipe is fixedly connected to the front side of the air suction pump, the top of the exhaust pipe is fixedly connected to the rear side of the air suction pump, the purification box is fixedly connected to the rear side of the top of the support seat, and the purification shell is fixedly connected to the top of the inner side of the purification box.

[0008] Preferably, the bottom of the exhaust pipe respectively penetrates the purification box and the purification shell and is fixedly connected to the top of the inner side of the purification shell, the gas conveying pipe is fixedly connected to the bottom of the purification shell, the filter box is fixedly connected to the bottom of the inner side of the purification box, the bottom of the gas conveying pipe is fixedly connected to the top of the filter box, the guide pipe is fixedly connected to the left side of the filter box, and the left side of the guide pipe penetrates the purification box and extends to the outer side of the purification box.

[0009] Preferably, the exhaust mechanism comprises an electromagnetic valve, an air outlet pipe, a photoionization sensor and a PLC controller, and the electromagnetic valve is fixedly connected to the left side of the guide pipe.

[0010] Preferably, the air outlet pipe is fixedly connected to the left side of the electromagnetic valve, and the photoionization sensor is fixedly connected to the left side of the purification box.

[0011] Preferably, the detection end of the right side of the photoionization sensor respectively penetrates the purification box and the filter box and is fixedly connected to the inner side of the filter box, and the PLC controller is fixedly connected to the top of the rear side of the oven body.

[0012] Preferably, the inner side of the purification shell movably connects a molecular sieve, and the molecular sieve is made of a zeolite material.

[0013] Preferably, the inner side of the filter box is filled with activated carbon particles, and the rear side of the filter box rotatably connects a box door.

[0014] Preferably, the rear side of the purification box rotatably connects a closing door, and the rear side of the closing door fixedly connects a handle.

[0015] Compared with the prior art, the application has the following beneficial effects:

[0016] 1. The purification mechanism of the application can timely extract the harmful gas generated by high-temperature decomposition of glue in the oven body through the cooperation of the air extraction pipe and the air extraction pump, the air extraction pump provides power for the gas flow, the harmful gas can be quickly transferred from the oven body to the purification mechanism, the harmful gas is prevented from accumulating in the oven, the potential threat of the harmful gas to the performance of the chip and the health of the operator is reduced, the harmful gas enters the purification shell, is preliminarily purified, then enters the filter box through the gas conveying pipe and is further purified, the multi-stage purification can more effectively remove various pollutants in the harmful gas, the purification effect is improved, and the discharged gas is cleaner.

[0017] 2. The photoionization sensor of the exhaust mechanism can detect the concentration of volatile organic compounds VOCs in the gas in the filter box in real time, when the gas reaches the emission standard, the electromagnetic valve is opened through the PLC controller, the purified gas is discharged through the air outlet pipe, if the standard is not reached, the electromagnetic valve is closed, the gas not reaching the standard is prevented from being discharged into the environment, the intelligent control of the discharge is realized, and the safety and environmental protection of the discharge are improved. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of an oven according to the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the air pump of this utility model;

[0020] Figure 3 This is a schematic diagram of the molecular sieve structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the PLC controller of this utility model;

[0022] Figure 5 This utility model Figure 4 Enlarged view of point A in the middle;

[0023] Figure 6 This is a schematic diagram of the structure of the closed door of this utility model.

[0024] In the diagram, 1. Oven body; 2. Purification mechanism; 21. Exhaust pipe; 22. Exhaust pump; 23. Exhaust pipe; 24. Purification chamber; 25. Purification shell; 26. Gas supply pipe; 27. Filter box; 28. Guide pipe; 3. Discharge mechanism; 31. Solenoid valve; 32. Exhaust pipe; 33. Photoionization sensor; 34. PLC controller; 4. Support base; 5. Support rod; 6. Limiting plate; 7. Molecular sieve; 8. Activated carbon granules; 9. Chamber door; 10. Sealing door; 11. Handle. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-6 The present invention provides the following technical solution:

[0027] An oven includes an oven body 1, a purification mechanism 2 fixedly connected to the top of the rear side of the oven body 1, a discharge mechanism 3 fixedly connected to the rear side of the purification mechanism 2, a support base 4 fixedly connected to the bottom of the rear side of the oven body 1, support rods 5 fixedly connected to both sides of the top of the support base 4, and a limit plate 6 fixedly connected to the top of the support rods 5.

[0028] The purification mechanism 2 comprises an air suction pipe 21, an air suction pump 22, an exhaust pipe 23, a purification box 24, a purification shell 25, a gas conveying pipe 26, a filter box 27 and a guide pipe 28, the top of the air suction pipe 21 is fixedly connected to the top of the rear side of the oven body 1, the air suction pump 22 is fixedly connected to the top of the limiting plate 6, the bottom of the air suction pipe 21 is fixedly connected to the front side of the air suction pump 22, the top of the exhaust pipe 23 is fixedly connected to the rear side of the air suction pump 22, the purification box 24 is fixedly connected to the rear side of the top of the supporting seat 4, and the purification shell 25 is fixedly connected to the top of the inner side of the purification box 24.

[0029] In the embodiment, the oven body 1 is arranged to be the main carrier for placing chips for baking and other operations, providing a relatively closed and controllable temperature and environment for the baking of chips, the supporting seat 4 provides stable support for the entire purification mechanism 2 and the exhaust mechanism 3, the supporting rod 5 can support and limit the limiting plate 6, the limiting plate 6 provides a mounting platform for the air suction pump 22 and limits and fixes the air suction pump 22, the air suction pipe 21 can extract harmful gases generated by the high-temperature decomposition of glue on the chips in the oven body 1, leading the harmful gases out of the oven, preventing the accumulation of harmful gases in the oven, protecting the quality of the chips and the health of the operators, the air suction pump 22 provides power for the extraction of harmful gases, through strong suction, rapidly and effectively conveying the harmful gases extracted by the air suction pipe 21 to the inner side of the purification shell 25, ensuring that the harmful gases can be discharged from the oven body 1 in time, improving the processing efficiency of harmful gases, the exhaust pipe 23 connects the air suction pump 22 and the purification shell 25, stably conveying the harmful gases extracted by the air suction pump 22 into the purification shell 25, enabling the harmful gases to smoothly enter the purification process, the purification box 24 can support and limit the purification shell 25 and the filter box 27, the purification shell 25 as a preliminary purification place, can preliminarily process the entering harmful gases, reducing the burden of subsequent deep purification, improving the overall purification efficiency, the gas conveying pipe 26 can guide the gases after preliminary purification to the inner side of the filter box 27, the filter box 27 deeply filters and purifies the harmful gases, removing the remaining harmful substances, so that the finally discharged gases reach a high purification standard, and the guide pipe 28 leads the gases purified by the filter box 27 out of the purification box 24, connecting the exhaust mechanism 3, ensuring that the purified gases can smoothly enter the exhaust process.

[0030] Specifically, as shown in Figure 2 , Figure 3 , the bottom of the exhaust pipe 23 penetrates the purification box 24 and the purification shell 25 and is fixedly connected to the top of the inner side of the purification shell 25, the gas conveying pipe 26 is fixedly connected to the bottom of the purification shell 25, the filter box 27 is fixedly connected to the bottom of the inner side of the purification box 24, the bottom of the gas conveying pipe 26 is fixedly connected to the top of the filter box 27, the guide pipe 28 is fixedly connected to the left side of the filter box 27, and the left side of the guide pipe 28 penetrates the purification box 24 and extends to the outer side of the purification box 24.

[0031] Specifically, as shown in Figure 4 , Figure 5 , the exhaust mechanism 3 includes an electromagnetic valve 31, an air outlet pipe 32, a photoionization sensor 33 and a PLC controller 34, and the electromagnetic valve 31 is fixedly connected to the left side of the guide pipe 28.

[0032] Specifically, as shown in Figure 4 , Figure 5 , the air outlet pipe 32 is fixedly connected to the left side of the electromagnetic valve 31, and the photoionization sensor 33 is fixedly connected to the left side of the purification box 24.

[0033] In this embodiment: by setting the electromagnetic valve 31 through the control of the PLC controller 34, the discharge time and flow of the purified gas can be controlled, ensuring that only the gas meeting the emission standard can be discharged to the external environment, the air outlet pipe 32 serves as the final discharge channel for the purified gas, safely and smoothly discharging the treated gas to the external environment, the photoionization sensor 33 detects the concentration of harmful components such as volatile organic compounds VOCs in the gas in the filter box 27 in real time and accurately, providing key data support for the PLC controller 34 to make correct emission control decisions, and the PLC controller 34 intelligently judges whether the gas meets the standard according to the data detected by the photoionization sensor 33, and controls the opening and closing of the electromagnetic valve 31, realizing the automation and intelligentization of the discharge process, and improving the safety and environmental protection of the discharge.

[0034] Specifically, as shown in Figure 4 , Figure 5 , the detection ends of the photoionization sensor 33 on the right side respectively penetrate the purification box 24 and the filter box 27 and are fixedly connected to the inner side of the filter box 27, and the PLC controller 34 is fixedly connected to the top of the rear side of the oven body 1.

[0035] Specifically, as shown in Figure 3 , the inner side of the purification shell 25 movably connects the molecular sieve 7, and the molecular sieve 7 is made of zeolite material.

[0036] In this embodiment: by setting the molecular sieve 7 with a uniform microporous structure, selective adsorption can be performed according to the size and shape of the molecules, effectively removing some impurities and specific molecules in the harmful gas, and improving the preliminary purification effect, and by setting the molecular sieve 7 to be made of zeolite material, the pore structure provides a large specific surface area, providing a large number of adsorption sites for harmful gas molecules, greatly increasing the contact area between the molecular sieve 7 and the harmful gas, and enabling efficient adsorption of the harmful gas. Common harmful gases such as formaldehyde and benzene can be quickly adsorbed by the zeolite molecular sieve 7, effectively reducing the concentration of harmful gases in the oven.

[0037] Specifically, as shown in Figure 3As shown, the inside of the filter box 27 is filled with activated carbon particles 8, and the rear of the filter box 27 is rotatably connected to a door 9.

[0038] Specifically, such as Figure 6 As shown, a closed door 10 is rotatably connected to the rear side of the purification box 24, and a handle 11 is fixedly connected to the rear side of the closed door 10.

[0039] In this embodiment: by setting activated carbon particles 8, activated carbon, with its huge specific surface area and rich pore structure, can adsorb various pollutants in harmful gases, such as volatile organic compounds and odors, further improving the purification capacity of the filter box 27. By setting a door 9, it is convenient to replace and maintain the activated carbon particles 8 inside the filter box 27, ensuring that the filter box 27 always maintains good purification performance. By setting a closed door 10, it is convenient to inspect, repair and replace the purification shell 25, molecular sieve 7 and other components inside the purification box 24, ensuring the normal operation of the purification mechanism 2. By setting a handle 11, it is convenient for operators to open and close the closed door 10, improving the convenience of operation.

[0040] Working principle: first, the user will oven body 1 is installed to the designated work position, then, the user respectively turn on the oven body 1 and the suction pump 22 power, and start the device, the oven body 1 starts to run, the internal chip enters the roasting stage, in the roasting process, the glue on the surface of the chip will gradually solidify, during which, the glue will inevitably produce harmful gas, at this time, the suction pump 22 through the suction pipe 21 rapidly extract harmful gas in the oven body 1, and by means of exhaust pipe 23, these gases are discharged into the purification shell 25 inside, when harmful gas enters the purification shell 25, immediately with the internal molecular sieve 7, the molecular sieve 7 made of zeolite material, using its unique pore structure and adsorption performance, preliminary purification of harmful gas, effectively remove part of the larger molecules of harmful ingredients, after the preliminary purification of harmful gas by molecular sieve 7, along the gas pipe 26 flows down, into the filter box 27 inside, at this time, the harmful gas and filled in the filter box 27 of activated carbon particles 8 fully contact, activated carbon particles 8 by virtue of its large specific surface area and rich pore structure, secondary deep purification of harmful gas, further adsorption and removal of remaining harmful substances, at the same time, photoionization sensor 33 monitoring the gas quality in filter box 27, once the detection of gas has been purified to the standard state, will send a signal to PLC controller 34, after receiving the signal, PLC controller 34 will control the electromagnetic valve 31 open, so that the purification of gas is discharged from the filter box 27 through the gas pipe 32, to ensure that the discharged gas meets the environmental protection standards, finally, along with the long time running of the purification mechanism 2, in order to ensure its sustained high efficiency purification performance, the user can pull the handle 11 when necessary, open the closed door 10, then, the user opens the door 9, check the activated carbon particles 8 in the filter box 27, according to the actual situation, replace or maintain, to ensure that the next use of purification mechanism 2 can play a normal role.

[0041] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An oven comprising an oven body (1), characterized in that: The top of the rear side of the oven body (1) is fixedly connected with a purification mechanism (2), the rear side of the purification mechanism (2) is fixedly connected with a discharge mechanism (3), the bottom of the rear side of the oven body (1) is fixedly connected with a support seat (4), the top of the support seat (4) is fixedly connected with support rods (5) on both sides, and the top of the support rod (5) is fixedly connected with a limiting plate (6). The purification mechanism (2) comprises a suction pipe (21), a suction pump (22), an exhaust pipe (23), a purification box (24), a purification shell (25), a gas conveying pipe (26), a filter box (27) and a guide pipe (28), the top of the suction pipe (21) is fixedly connected to the top of the rear side of the oven body (1), the top of the suction pump (22) is fixedly connected to the limiting plate (6), the bottom of the suction pipe (21) is fixedly connected to the front side of the suction pump (22), the top of the exhaust pipe (23) is fixedly connected to the rear side of the suction pump (22), the rear side of the top of the support seat (4) is fixedly connected with the purification box (24), and the top of the inner side of the purification box (24) is fixedly connected with the purification shell (25).

2. An oven according to claim 1, characterized in that: The bottom of the exhaust pipe (23) penetrates the purification box (24) and the purification shell (25) and is fixedly connected to the top of the inner side of the purification shell (25), the bottom of the gas conveying pipe (26) is fixedly connected to the bottom of the purification shell (25), the bottom of the inner side of the purification box (24) is fixedly connected with the filter box (27), the top of the filter box (27) is fixedly connected with the bottom of the gas conveying pipe (26), the left side of the filter box (27) is fixedly connected with the guide pipe (28), and the left side of the guide pipe (28) penetrates the purification box (24) and extends to the outer side of the purification box (24).

3. An oven according to claim 1, characterized in that: The discharge mechanism (3) comprises a solenoid valve (31), an air outlet pipe (32), a photoionization sensor (33) and a PLC controller (34), and the solenoid valve (31) is fixedly connected to the left side of the guide pipe (28).

4. An oven according to claim 3, wherein: The air outlet pipe (32) is fixedly connected to the left side of the solenoid valve (31), and the photoionization sensor (33) is fixedly connected to the left side of the purification box (24).

5. An oven according to claim 3, wherein: The detection end of the right side of the photoionization sensor (33) penetrates the purification box (24) and the filter box (27) and is fixedly connected to the inner side of the filter box (27), and the top of the rear side of the oven body (1) is fixedly connected with the PLC controller (34).

6. The oven of claim 1, wherein: The inner side of the purification shell (25) is movably connected with a molecular sieve (7) made of a zeolite material.

7. The oven of claim 1, wherein: The inner side of the filter box (27) is filled with activated carbon particles (8), and the rear side of the filter box (27) is rotatably connected with a box door (9).

8. The oven of claim 1, wherein: The rear side of the purification box (24) is rotatably connected with a closing door (10), and the rear side of the closing door (10) is fixedly connected with a handle (11).

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